@font-face{font-family:Be Vietnam Pro;font-style:normal;font-display:swap;font-weight:400;src:url(../media/be-vietnam-pro-latin-400-normal.19fn_nsidnous.woff2)format("woff2"),url(../media/be-vietnam-pro-latin-400-normal.3mkx7v1a17h2_.woff)format("woff")}
@font-face{font-family:Be Vietnam Pro;font-style:normal;font-display:swap;font-weight:400;src:url(../media/be-vietnam-pro-vietnamese-400-normal.0ir3lowcg2jd4.woff2)format("woff2"),url(../media/be-vietnam-pro-vietnamese-400-normal.3jkasxo4k2rz2.woff)format("woff")}
@font-face{font-family:Be Vietnam Pro;font-style:normal;font-display:swap;font-weight:600;src:url(../media/be-vietnam-pro-latin-600-normal.076r4lhepcnqo.woff2)format("woff2"),url(../media/be-vietnam-pro-latin-600-normal.1dto-6-jsj6ea.woff)format("woff")}
@font-face{font-family:Be Vietnam Pro;font-style:normal;font-display:swap;font-weight:600;src:url(../media/be-vietnam-pro-vietnamese-600-normal.13vsqp3suqx94.woff2)format("woff2"),url(../media/be-vietnam-pro-vietnamese-600-normal.43wf7ym7dfmiy.woff)format("woff")}
@font-face{font-family:Noto Serif;font-style:normal;font-display:swap;font-weight:700;src:url(../media/noto-serif-latin-700-normal.383b7jl8kqbm7.woff2)format("woff2"),url(../media/noto-serif-latin-700-normal.1cuiyp3op-52z.woff)format("woff")}
@font-face{font-family:Noto Serif;font-style:normal;font-display:swap;font-weight:700;src:url(../media/noto-serif-vietnamese-700-normal.1avdeytukjh6k.woff2)format("woff2"),url(../media/noto-serif-vietnamese-700-normal.3bxotkg248zoq.woff)format("woff")}
:root{--ink:#17120e;--ink-soft:#2b211a;--paper:#f6f0e4;--paper-deep:#efe6d4;--card:#fffbf3;--line:#ddcfb6;--text:#2b231c;--muted:#65584a;--cinnabar:#a3261c;--cinnabar-dark:#7f1c14;--gold:#d3ad5b;--gold-soft:#ecd9a8;--ok-bg:#e2efe0;--ok-text:#1f5130;--warn-bg:#fdf0cf;--warn-text:#5c4100;--error-bg:#fbe4df;--error-text:#7f1c14;--font-body:"Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-display:"Noto Serif", Georgia, "Times New Roman", serif;--gutter:16px}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-padding-top:72px}body{background:var(--paper);min-height:100dvh;color:var(--text);font-family:var(--font-body);flex-direction:column;margin:0;font-size:16px;line-height:1.6;display:flex}main{flex:1}h1,h2,h3{font-family:var(--font-display);color:var(--ink);font-weight:700;line-height:1.25}a{color:var(--cinnabar);text-underline-offset:3px}a:hover{color:var(--cinnabar-dark)}:focus-visible{outline:3px solid var(--gold);outline-offset:2px}.wrap{width:100%;max-width:1080px;padding-inline:var(--gutter);margin-inline:auto}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:var(--gutter);z-index:30;background:var(--card);padding:8px 12px;top:8px}.site-header{z-index:20;background:var(--ink);border-bottom:1px solid #4a3a26;position:sticky;top:0}.header-row{justify-content:space-between;align-items:center;gap:12px;min-height:56px;display:flex}.brand{min-width:0;color:var(--gold-soft);font-family:var(--font-display);align-items:center;gap:10px;font-size:1.05rem;font-weight:700;text-decoration:none;display:inline-flex}.brand:hover{color:var(--gold-soft)}.brand span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.seal{flex:none;width:30px;height:30px}.desktop-nav{display:none}.mobile-menu summary{min-height:44px;color:var(--gold-soft);cursor:pointer;align-items:center;gap:8px;padding-inline:10px;list-style:none;display:inline-flex}.mobile-menu summary::-webkit-details-marker{display:none}@media (max-width:359px){.brand{gap:8px;font-size:.88rem}.mobile-menu summary{padding-inline:4px}}.burger,.burger:before,.burger:after{background:currentColor;width:18px;height:2px;display:block}.burger{position:relative}.burger:before,.burger:after{content:"";position:absolute;left:0}.burger:before{top:-6px}.burger:after{top:6px}.mobile-menu nav{background:var(--ink-soft);border-bottom:2px solid var(--gold);flex-direction:column;max-height:calc(100dvh - 56px);display:flex;position:absolute;top:100%;left:0;right:0;overflow-y:auto}.mobile-menu nav a{padding:13px var(--gutter);color:var(--paper);border-top:1px solid #40332a;text-decoration:none}.mobile-menu nav a[aria-current=page]{color:var(--gold);font-weight:600}.hero{background:var(--ink) url(/hero.svg) 74% bottom / cover no-repeat;color:var(--paper)}.hero-inner{flex-direction:column;justify-content:flex-end;min-height:min(72dvh,560px);padding-block:56px 48px;display:flex}.hero h1{color:var(--gold-soft);letter-spacing:-.01em;text-shadow:0 2px 14px #17120ecc;margin:0;font-size:clamp(2.3rem,11vw,4.2rem)}.hero-lead{text-shadow:0 1px 8px #17120ecc;max-width:46ch;margin:12px 0 0;font-size:1.1rem}.hero-actions{flex-direction:column;gap:10px;margin-top:26px;display:flex}.section{padding-block:40px}.section-alt{background:var(--paper-deep)}.section-title{margin:0 0 18px;font-size:1.5rem}.section-head{justify-content:space-between;align-items:baseline;gap:12px;display:flex}.steps{counter-reset:step;gap:12px;margin:0;padding:0;list-style:none;display:grid}.steps li{counter-increment:step}.steps a{color:var(--text);background:var(--card);border:1px solid var(--line);border-radius:4px;grid-template-columns:44px 1fr;align-items:center;column-gap:14px;padding:14px;text-decoration:none;display:grid;position:relative}.steps a:before{content:counter(step);width:44px;height:44px;color:var(--gold-soft);background:var(--cinnabar);font-family:var(--font-display);border-radius:3px;grid-row:span 2;place-items:center;font-size:1.2rem;font-weight:700;display:grid}.steps strong{font-family:var(--font-display);color:var(--ink);font-size:1.1rem}.steps span{color:var(--muted);font-size:.95rem}.shortcut-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:0;padding:0;list-style:none;display:grid}.shortcut-grid a{height:100%;color:var(--text);background:var(--card);border:1px solid var(--line);border-top:3px solid var(--cinnabar);border-radius:4px;flex-direction:column;gap:4px;padding:14px;text-decoration:none;display:flex}.shortcut-grid strong{color:var(--ink)}.shortcut-grid span{color:var(--muted);font-size:.9rem}.post-list{background:var(--card);border:1px solid var(--line);border-radius:4px;margin:0;padding:0;list-style:none;display:grid}.post-list li+li{border-top:1px solid var(--line)}.post-list a{color:var(--text);flex-direction:column;gap:2px;padding:14px;text-decoration:none;display:flex}.post-list strong{color:var(--ink);font-size:1.05rem}.post-list a:hover strong{color:var(--cinnabar)}.post-meta{color:var(--cinnabar-dark);font-size:.85rem}.post-summary{color:var(--muted);font-size:.95rem}.tabs{gap:6px;margin-bottom:16px;display:flex;overflow-x:auto}.tabs a{color:var(--text);background:var(--card);border:1px solid var(--line);border-radius:3px;flex:none;padding:8px 14px;text-decoration:none}.tabs a[aria-current=page]{color:var(--gold-soft);background:var(--ink);border-color:var(--ink)}.page-head{background:var(--ink);border-bottom:3px solid var(--cinnabar);padding-block:28px 24px}.page-head h1{color:var(--gold-soft);margin:0;font-size:clamp(1.7rem,7vw,2.4rem)}.page-lead{max-width:62ch;color:var(--paper);margin:8px 0 0}.page-body{padding-block:24px 48px}.page-body>h2{margin:30px 0 10px;font-size:1.25rem}.narrow{max-width:760px}.back-link{margin-top:32px}.prose{overflow-wrap:anywhere}.prose h2{margin:30px 0 10px;font-size:1.3rem}.prose h3{margin:22px 0 8px;font-size:1.1rem}.prose p,.prose ul,.prose ol{margin:0 0 14px}.prose ul,.prose ol{padding-left:22px}.prose li+li{margin-top:4px}.prose table{border-collapse:collapse;max-width:100%;margin-bottom:16px;display:block;overflow-x:auto}.prose th,.prose td{text-align:left;border:1px solid var(--line);padding:8px 10px}.prose blockquote{background:var(--paper-deep);border-left:3px solid var(--cinnabar);margin:0 0 14px;padding:8px 14px}mark.todo{color:var(--warn-text);background:#ffe08a;border-radius:2px;padding:0 4px;font-family:ui-monospace,Consolas,monospace;font-size:.9em}.notice{border-radius:4px;margin:0 0 18px;padding:12px 14px}.notice-warn{color:var(--warn-text);background:var(--warn-bg);border:1px solid #e6cf8f}.card{background:var(--card);border:1px solid var(--line);border-radius:4px;padding:16px}.flush{margin:0}.facts{gap:10px;margin:0;display:grid}.card .button+.facts{margin-top:16px}.facts dt{color:var(--muted);font-size:.85rem}.facts dd{margin:0;font-weight:600}.copy-row{flex-wrap:wrap;align-items:center;gap:10px;min-width:0;display:flex}.copy-row>code,.copy-row>span{overflow-wrap:anywhere;min-width:0}.copy-button{min-height:44px;color:var(--cinnabar-dark);font:inherit;border:1px solid var(--cinnabar);cursor:pointer;background:0 0;border-radius:3px;flex:none;padding:4px 12px;font-size:.85rem}.account-number{letter-spacing:.02em;font-size:1.15rem}.hash,.memo-value{font-family:ui-monospace,Consolas,monospace;font-size:.9rem}.memo-value{font-size:1.05rem;font-weight:600}.memo-label{color:var(--muted);margin:14px 0 4px;font-size:.85rem}.memo-builder .memo-label{margin-top:4px}.command{color:var(--paper);background:var(--ink-soft);border-radius:3px;margin:0 0 14px;padding:10px 12px;font-family:ui-monospace,Consolas,monospace;overflow-x:auto}.plain-steps{margin:0 0 14px;padding-left:22px}.plain-steps li+li{margin-top:6px}.rate-table{background:var(--card);border-collapse:collapse;border:1px solid var(--line);width:100%}.rate-table th,.rate-table td{text-align:left;border-bottom:1px solid var(--line);padding:10px 12px}.rate-table th{color:var(--gold-soft);background:var(--ink);font-weight:600}.button{min-height:48px;font:inherit;text-align:center;cursor:pointer;border:1px solid #0000;border-radius:3px;justify-content:center;align-items:center;padding:10px 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#b2d0ad}.balance-result{text-align:center;color:var(--paper);background:var(--ink);border-radius:4px;gap:2px;padding:14px;display:grid}.balance-result strong{color:var(--gold-soft);font-family:var(--font-display);overflow-wrap:anywhere;font-size:2rem;line-height:1.2}.site-footer{color:#d9cfc0;background:var(--ink);font-size:.92rem}.site-footer a{color:var(--gold-soft)}.site-footer a:hover{color:#fff}.footer-grid{gap:24px;padding-block:28px 18px;display:grid}.footer-grid p{margin:0 0 4px}.footer-grid ul{grid-template-columns:repeat(2,minmax(0,1fr));gap:6px 12px;margin:0;padding:0;list-style:none;display:grid}.footer-title{color:var(--gold-soft);font-family:var(--font-display);font-weight:700}.footer-warning{border-top:1px solid #40332a;padding-block:12px 20px}.footer-warning p{margin:0}.admin-login{max-width:480px;margin-inline:auto}.admin-dashboard{margin-bottom:36px}.admin-tabs{flex-wrap:wrap;gap:8px;margin-bottom:24px;display:flex}.admin-tabs .button{padding:9px 13px;font-size:.9rem}.admin-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.admin-stats .card{flex-direction:column;gap:6px;display:flex}.admin-stats strong{color:var(--cinnabar);font-size:clamp(1.5rem,3vw,2.5rem)}.admin-stats small{color:var(--muted)}.admin-section-head{justify-content:space-between;align-items:center;gap:12px;display:flex}.admin-table-scroll{overflow-x:auto}.admin-table-scroll table{min-width:500px}.admin-link{color:var(--cinnabar);cursor:pointer;font:inherit;background:0 0;border:0;padding:3px 0;text-decoration:underline}.admin-support{border-bottom:1px solid var(--line);padding-block:16px}.admin-prewrap{white-space:pre-wrap;overflow-wrap:anywhere}.admin-data-cell{white-space:pre-wrap;overflow-wrap:anywhere;max-width:360px}.admin-dashboard+.card{margin-bottom:28px}.field select,.field textarea{border:1px solid var(--line);background:var(--card);width:100%;color:var(--text);font:inherit;border-radius:6px;padding:12px}@media (min-width:900px){.admin-stats{grid-template-columns:repeat(4,minmax(0,1fr))}}.admin-session,.admin-actions{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px;display:flex}.admin-grid{grid-template-columns:minmax(0,1fr);gap:24px;display:grid}.admin-grid h2{margin-top:0}.admin-credit{grid-column:1/-1}.admin-confirm{border:2px solid var(--gold);border-radius:8px;margin-top:24px;padding:24px}.admin-check{align-items:flex-start;gap:12px;margin:20px 0;display:flex}.admin-check input{flex:none;width:20px;height:20px;margin-top:5px}.admin-grid dd{overflow-wrap:anywhere}@media (min-width:800px){.admin-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (min-width:640px){.hero-actions{flex-direction:row}.steps{grid-template-columns:repeat(3,minmax(0,1fr))}.steps a{grid-template-columns:1fr;align-content:start;row-gap:6px;height:100%}.steps a:before{grid-row:auto}.shortcut-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.facts{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:1fr 1.2fr}}@media (min-width:960px){:root{--gutter:24px}.mobile-menu{display:none}.desktop-nav{gap:4px;display:flex}.desktop-nav a{color:var(--paper);white-space:nowrap;padding:8px 10px;font-size:.95rem;text-decoration:none}.desktop-nav a:hover{color:var(--gold)}.hero{background-position:top}.hero-inner{min-height:600px;padding-block:80px 72px}.section{padding-block:56px}}@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}.admin-workspace{grid-template-columns:minmax(0,1fr);align-items:start;gap:24px;display:grid}.admin-sidebar{background:var(--card);border:1px solid var(--line);border-radius:10px;min-width:0;padding:12px}.admin-nav-title{margin:0 8px 12px;font-weight:600}.admin-sidebar nav{gap:8px;padding-bottom:8px;display:flex;overflow-x:auto}.admin-sidebar button{border:1px solid var(--line);min-height:44px;color:var(--text);text-align:left;cursor:pointer;font:inherit;background:0 0;border-radius:6px;flex:none;padding:10px 14px}.admin-sidebar button[aria-current=page]{color:var(--paper);background:var(--cinnabar);border-color:var(--cinnabar)}.admin-sidebar button small{display:none}.admin-content,.admin-content .card{min-width:0}.admin-content>.card,.admin-content>.admin-dashboard{margin-bottom:24px}.admin-content .admin-section-head h2{margin:0}.admin-content .admin-section-head p{margin:4px 0 0}.admin-quick-actions,.admin-row-actions{flex-wrap:wrap;gap:10px;margin-block:12px 20px;display:flex}.admin-row-actions{margin:0}.admin-quick-actions .button,.admin-row-actions .admin-link{min-height:44px}.admin-dialog{border:1px solid var(--line);width:min(900px,100% - 24px);max-height:calc(100dvh - 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.admin-confirm{padding:12px}.admin-session,.admin-section-head{align-items:flex-start}}.admin-gift-item{border:1px solid var(--line);border-radius:8px;min-width:0;padding:16px}.admin-online-history{margin-block:24px}.admin-online-history .admin-stats{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));margin-block:20px}.admin-online-history .admin-stats article{border:1px solid var(--line);border-radius:8px;flex-direction:column;padding:12px;display:flex}.admin-online-chart{width:100%;height:auto;min-height:140px;margin-top:12px}.admin-online-chart text{fill:var(--muted);font:12px var(--font-body)}.admin-online-chart circle{cursor:pointer}.admin-online-chart circle:focus{outline:2px solid var(--gold)}.admin-chart-axis{justify-content:space-between;gap:16px;display:flex}.admin-online-history details{margin-top:20px}